A dryer vent should not exceed 35 feet in length. Furthermore, for every 45 degree turn of a dryer vent you should remove 2.5 feet in total allotted length. For every 90 degree turn, you should remove 5 feet in total allotted length.

What is the maximum length of a dryer vent?

35 feet
The maximum developed length of a clothes dryer exhaust duct shall not exceed 35 feet from the dryer location to the wall or roof termination. The maximum length of the duct shall be reduced 2.5 feet for each 45-degree (0.8 rad) bend, and 5 feet for each 90-degree (1.6 rad) bend.

What is the minimum length for a dryer vent?

A dryer vent should not exceed 35 feet in length. Furthermore, for every 45 degree turn of a dryer vent you should remove 2.5 feet in total allotted length. For every 90 degree turn, you should remove 5 feet in total allotted length.

How long can a flexible dryer vent be?

The maximum length of the duct is reduced by 2.5 feet for each 45 degree bend and by 5 feet for each 90 degree bend. The transition duct is not included in the exhaust duct maximum length. Vents can’t be longer than 35 feet and should be straight.

What is code for dryer venting?

Dryer venting systems are covered in the International Residential Code (IRC) at M1502 – Clothes Dryer Exhaust.

Is it bad to have a long dryer vent?

Keep exhaust duct as straight and short as possible. Exhaust systems longer than the manufacturer’s recommendations can extend drying times, affect appliance operation and may encourage lint build-up on pipe lining.

How long can a dryer vent be Ontario?

The maximum length of a 4-inch (102 mm) diameter exhaust vent shall not exceed 35 feet (7620 mm) from the dryer location to wall or roof termination, and shall terminate with a full opening exhaust hood.

Can you run a dryer vent vertically?

You can vent a dryer vertically as long as you don’t exceed a distance of 35 feet in length. The preferred way to vent a dryer is downward or laterally but vertically is indeed an option. There are also special considerations to keep in mind when running a dryer vent vertically.

Can a dryer be vented into a garage?

So yes, venting a dryer into a garage is feasible but you must eliminate hot air outside. Otherwise, the garage will become humid, causing problems such as mold, growth, and rust.

Is it OK to vent a dryer under the house?

That’s not something you want to be breathing, and in high enough concentrations the lint is highly flammable and even explosive. Misconception No. 2: It’s OK to vent a dryer into the crawlspace or attic, rather than all the way outside. DO NOT vent your dryer directly into a crawlspace, basement or attic.

Can you use 4 PVC for dryer vent?

Currently, PVC, Vinyl, or aluminum foil material is still common in plumbing applications. However, manufacturers do not permit their use for venting a dryer. PVC or Vinyl duct trap can easily melt because of the hot air coming from the dryer.

How long can a dryer vent be Canada?

Are indoor dryer vents legal in Ontario?

There are currently no explicit requirements for laundry-dryer exhaust vents. There are no provisions to require the venting of laundry drying appliances to the outdoors.

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How long can a dryer duct be?

Let’s start with what the IRC (International Residential Code) says: the maximum length of a straight run of dryer duct is 35 feet, with a 5 foot deduction in length for each 90º bend and half that for 45º bends, based on using a 4-inch smooth metal vent, with no screws protruding into the air flow.

How far can you run a dryer vent from the exhaust?

If you use a smooth, rigid metal vent you may run it as much as 43 feet from the dryer exhaust to the outside. Again, this is the maximum, and attempts should be made to use as short of a distance as possible. If you will use the maximum length allowances, ensure you are using the appropriate size vent hose to do the job.

What are the requirements for multiple dryers?

Typical Dryer Manufacturer’s Requirements for Multiple DryersRequirements for Multiple Dryers •Vertical exhaust must not exceed 8 feet and can include up to 3 elbows •Horizontal exhaust cannot exceed 15 feet and 1 elbow. Sub TitleSub Title